isago (lop), hatsune miku, kagamine rin, megurine luka, meiko (vocaloid), vocaloid, bad id, bad pixiv id, highres, 4girls, aqua eyes, aqua hair, armpits, arms up, belt, blonde hair, brown eyes, brown hair, detached sleeves, hair ornament, hair ribbon, hairclip, hand on another's chest, hand on own chest, headset, long hair, microphone, midriff, multiple girls, navel, necktie, pink hair, ribbon, singing, skirt, thighhighs, twintails, very long hair